4R7Q

The structure of a sensor domain of a histidine kinase from Vibrio cholerae O1 biovar eltor str. N16961

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	VbrK, sensor domain-like	8047081	4005439	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	VbrK, sensor domain-like	8103592	3002784	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DUF3404_1st	e4r7qA2	A: alpha superhelices	X: Repetitive alpha hairpins	H: Helical insertion in sensor domain of histidine kinase VC_A0565 (From Topology)	T: Helical insertion in sensor domain of histidine kinase VC_A0565	F: DUF3404_1st	ECOD (1.6)
A	DUF3404_2nd	e4r7qA1	A: a+b three layers	X: Sensor domain of histidine kinase VC_A0565 (From Topology)	H: Sensor domain of histidine kinase VC_A0565 (From Topology)	T: Sensor domain of histidine kinase VC_A0565	F: DUF3404_2nd	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11884	Domain of unknown function (DUF3404) (DUF3404)	Domain of unknown function (DUF3404)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Sensor histidine kinase	catalytic activity, acting on a protein small molecule sensor activity kinase activity protein kinase activity transferase activity phosphotransferase activity, nitrogenous group as acceptor phosphotransferase activity, alcohol group as acceptor protein histidine kinase activity transferase activity, transferring phosphorus-containing groups phosphorelay sensor kinase activity catalytic activity	-	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A	IPR005467	Histidine kinase domain	Domain
A	IPR021821	Histidine kinase VxrA, sensor domain	Domain
A	IPR036097	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain superfamily	Homologous Superfamily
A	IPR049705	Sensor histidine kinase VxrA-like	Family
A	IPR050980	Two-component sensor histidine kinase	Family
A	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A	IPR003661	Signal transduction histidine kinase, dimerisation/phosphoacceptor domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.